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Immunotherapy With CD19 CAR γδT-cells for B-Cell Lymphoma, ALL and CLL

B

Beijing Doing Biomedical

Status and phase

Unknown
Phase 1

Conditions

Lymphoma
Leukemia

Treatments

Biological: Anti-CD19-CAR γδT

Study type

Interventional

Funder types

Industry

Identifiers

NCT02656147
Doing-004

Details and patient eligibility

About

This study aims to evaluate the safety, efficacy and duration of response of CD19 Chimeric Antigen Receptor (CAR) redirected allogeneic γδT-cells in patients with high risk, relapsed CD19+ haematological malignancies.

Full description

This is a multi-centre, non-randomised, open label Phase I clinical trial of an Advanced Therapy Investigational Medicinal Product named CD19 Chimeric Antigen Receptor (CAR) γδT-cells (CD19 CAR γδT-cells) in patients with high risk, relapsed CD19+ haematological malignancies (Leukemia and lymphoma). Following informed consent and registration to the trial, Patients will receive the allogeneic CD19 CAR γδT-cells following lymphodepleting chemotherapy. The study will evaluate the safety, efficacy and duration of response of the CD19 CAR γδT-cells in patients with high risk relapsed CD19+ malignancies.

Enrollment

48 estimated patients

Sex

All

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Relapsed or refractory B cell derived acute lymphoblastic leukemia(ALL), chronic lymphoblastic leukemia(CLL) and non-hodgkin lymphoma.
  2. KPS>60.
  3. Life expectancy>3 months.
  4. Gender unlimited, age from 18 years to 70 years.
  5. CD19 expression must be detected on greater than 15% of the malignant cells by immunohistochemistry or greater than 30% by flow cytometry.
  6. Patients who have failed at least one line of a standard treatment.
  7. No serious mental disorder.
  8. Patients must have adequate cardiac function(no cardiac disease, LVEF≥40% ), adequate pulmonary function as indicated by room air oxygen saturation of >94%, and adequate renal function(Cr≤133umol/L).
  9. No other serious diseases(autoimmune disease, immunodeficiency etc.).
  10. No other tumors.
  11. Patients volunteer to participate in the research.
  12. Patients with history of allogeneic stem cell transplantation are eligible if at least 100 days post-transplant, if there is no evidence of active GVHD and no longer taking immunosuppressive agents for at least 30 days prior to infusion.

Exclusion criteria

  1. KPS<50.
  2. Patients are allergic to cytokines.
  3. Central nervous system leukemia within 28 days.
  4. Uncontrolled active infection.
  5. Acute or chronic GVHD.
  6. Treated with T cell inhibitor.
  7. Pregnancy and nursing females.
  8. HIV/HBV/HCV Infection.
  9. Other situations we think improper for the research.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

48 participants in 3 patient groups

Experimental: 1
Experimental group
Description:
Acute lymphoblastic leukemia treated with chimeric antigen receptor modified γδT cells(Anti-CD19-CAR γδT) targeting CD19.
Treatment:
Biological: Anti-CD19-CAR γδT
Experimental: 2
Experimental group
Description:
Chronic lymphoblastic leukemia with chimeric antigen receptor modified γδT cells(Anti-CD19-CAR γδT) targeting CD19.
Treatment:
Biological: Anti-CD19-CAR γδT
Experimental: 3
Experimental group
Description:
Non-hodgkin lymphoma treated with chimeric antigen receptor modified γδT cells(Anti-CD19-CAR γδT) targeting CD19.
Treatment:
Biological: Anti-CD19-CAR γδT

Trial contacts and locations

1

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Central trial contact

Li gangyi, master; Xie yanyun, master

Data sourced from clinicaltrials.gov

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